Charly Molter created KAFKA-6180:
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Summary: AbstractConfig.getList() should never return null
Key: KAFKA-6180
URL: https://issues.apache.org/jira/browse/KAFKA-6180
Project: Kafka
Issue Type: Improvement
Components: config
Affects Versions: 1.0.0, 0.11.0.0, 0.10.2.1, 0.10.2.0, 0.10.1.1, 0.10.1.0
Reporter: Charly Molter
Priority: Trivial
AbstractConfig.getList returns null if the property is unset and there's no
default.
This creates a lot of cases where we need to do null checks (and remember them).
It's good practice to just return an empty list as usually code naturally
handles empty lists.
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